157285714442 has 16 divisors (see below), whose sum is σ = 236100321600. Its totient is φ = 78585634080.

The previous prime is 157285714427. The next prime is 157285714493. The reversal of 157285714442 is 244417582751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24653609 + ... + 24659987.

It is an arithmetic number, because the mean of its divisors is an integer number (14756270100).

Almost surely, 2^157285714442 is an apocalyptic number.

157285714442 is a deficient number, since it is larger than the sum of its proper divisors (78814607158).

157285714442 is a wasteful number, since it uses less digits than its factorization.

157285714442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13421.

The product of its digits is 2508800, while the sum is 50.

The spelling of 157285714442 in words is "one hundred fifty-seven billion, two hundred eighty-five million, seven hundred fourteen thousand, four hundred forty-two".